公开(公告)号：US20180145783A1

公开(公告)日：2018-05-24

申请号：US15661256

申请日：2017-07-27

Applicant: QUALCOMM INCORPORATED

Inventor： Seyong PARK ,  Muhammad ABDELGHAFFAR ,  Wei ZENG ,  Jing JIANG ,  Joseph Binamira SORIAGA ,  Tingfang JI

IPC: H04J11/00 ,  H04L25/03

CPC classification number: H04J11/0023 ,  H04L25/03159 ,  H04L25/03828 ,  H04L25/03834 ,  H04L27/2634 ,  H04L2025/03414

Abstract: Waveforms may be shaped in a wireless communications device by processing head tones of a multi-tone carrier using a head tone waveform shaping characteristic to provide a first sub-symbol, processing tail tones of the multi-tone carrier using a tail tone waveform shaping characteristic to provide a second sub-symbol, and processing center tones of the multi-tone carrier using a center tone waveform shaping characteristic to provide a third sub-symbol. The first, second, and third waveform shaping characteristics may be different from each other, i.e., the waveform shaping may be asymmetric. The first, second, and third sub-symbols may be combined to provide an output symbol.